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微阵列生物芯片法检测果蔬中6种内吸性农药残留
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孟潇(1997-),女,硕士,研究方向:食品安全检测与质量管理,E-mail:812303745@qq.com 通讯作者:丁洪流(1979-),女,博士,正高级工程师,研究方向:食品安全检测与质量管理,E-mail:hollior@163.com

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国家市场监督管理总局科技计划项目(2023MK046);苏州市科技计划项目(2023ssd43)


Detection of Six Systemic Pesticide Residues in Fruits and Vegetables Using A Microarray Biochip Technique
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    摘要:

    为了提高果蔬中内吸性农药残留检测的效率与准确性,本研究使用微阵列生物芯片法,筛选多菌灵、克百威、啶虫脒、腐霉利、氟虫腈、噻虫胺6 种内吸性农药的抗体抗原材料,制备微阵列生物芯片,建立同时定量检测果蔬样品中这6种内吸性农药残留的生物芯片快速检测方法,并考察方法检测韭菜、叶用莴苣、番茄、橙、梨、葡萄6种果蔬的灵敏性与准确性。结果显示,该方法检测多菌灵、克百威、啶虫脒、腐霉利、氟虫腈、噻虫胺6种农药,分别在2~32、1~16、2~32、15~240、1~16、0.5~8 μg•L-1质量浓度范围内标准工作曲线相关系数>0.99,对6种果蔬基质中6种农药的定量限均低于国标要求最大残留限量值的1/2,添加回收率在74.55%~121.69%,RSD均在14.13%以下,通过实际阳性样品与确证方法比较,两种方法检测结果间RSD在5.32%~15.98%,结果表明微阵列生物芯片方法灵敏性、准确性、与确证方法一致性较好,其简单、高效、高通量的特点在农业生产、市场流通等场景具有广泛的应用前景,为内吸性农药残留快速检测方法的开发提供理论基础。

    Abstract:

    To enhance the efficiency and accuracy of detecting systemic pesticide residues in fruits and vegetables, a microarray biochip method was utilized to screen antibody and antigen materials for six systemic pesticides: carbendazim, carbofuran, acetamiprid, procymidone, fipronil, and clothianidin. A microarray biochip was prepared, and a rapid biochip-based detection method was established for simultaneous quantitative determination of these six pesticide residues in fruit and vegetable samples. The sensitivity and accuracy of the developed method were evaluated across six types of fruits and vegetables, namely, garlic chives, leaf lettuce, tomato, sweet orange, pear, and grape. The linear correlation coefficients were >0.99 for the six pesticides within the following mass concentration ranges: carbendazim (2~32 μg•L-1), carbofuran (1~16 μg•L-1), acetamiprid (2~32 μg•L-1), procymidone (15~240 μg•L-1), fipronil (1~16 μg•L-1), and clothianidin (0.5~8 μg•L-1). The limits of detection and quantification for all pesticides in the six matrices were below half the maximum residue limits specified in national standards. Spike recovery rates ranged from 74.55% to 121.69%, with relative standard deviations (RSDs) below 14.13%. A comparison with confirmatory methods using actual positive samples showed RSDs of 5.32~15.98% between the two methods, indicating that the microarray biochip method possessed excellent sensitivity, accuracy, and consistency with confirmatory methods. The simplicity, high efficiency, and high throughput of this approach demonstrate broad application potential in agricultural production and market circulation. Overall, these findings provide a theoretical basis for developing rapid detection methods for systemic pesticide residues in fruits and vegetables.

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孟潇,汤迪朋,丁洪流,张丹丹,李帷帷.微阵列生物芯片法检测果蔬中6种内吸性农药残留[J].现代食品科技,2026,42(10):341-351.

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  • 收稿日期:2025-08-08
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  • 在线发布日期: 2026-11-11
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